Professional Replacement Products

HK Series

Arrow’s HK Series Grade 1 cylindrical knob locks are designed and tested for the most robust applications. Backed by the Arrow 10 year warranty and Certified to BHMA Grade 1 it is the worry free solution when a Grade 1 knob lock is needed.

Certification

ANSI/BHMA A156.2, Series 4000, Grade 1

Underwriters Laboratories (UL and CUL) listed for use on 3 hour, A label single swinging doors